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Cross TJ, Wendon JA, Quaglia A, Salisbury JR, Heneghan MA, Harrison PM.Cross TJ, et al. Among authors: heneghan ma.Postgrad Med J. 2006 Jul;82(969):e13. doi: 10.1136/pgmj.2006.044883.Postgrad Med J. 2006.PMID: 16822912Free PMC article.